参考例句
oscillating thermionic valve
振荡热离子真空管
thermionic valve
热阴极电子管
thermionic valve detector
热电子管检波器
thermionic valve oscillator
热离子管振荡器
thermionic valve receiver
热电子接收机
thermionic valve transmitter
热电子管发射机
oscillating thermionic valve
振荡热离子真空管
thermionic valve
热阴极电子管
thermionic valve detector
热电子管检波器
thermionic valve oscillator
热离子管振荡器
thermionic valve receiver
热电子接收机
thermionic valve transmitter
热电子管发射机